The vitriolic spat started when Johnson responded to Brown's tweet of "I look old as (expletive)! I'm only 23..." by tweeting "Being a worthless piece of (expletive) can really age a person."

It pretty much went downhill from there.

"I have zero respect for a person who seems unapologetic for the terrible crime he committed and shows no signs of changing," Johnson later added. She also shared a link to an MTV story that detailed Brown's February 2009 assault on ex-girlfriend Rihanna, with whom he has since reconciled. (In fact, Rihanna, herself an avid tweeter, posted a shirtless photo of Brown, apparently in her bed, the night before, according to The Huffington Post.)

Brown didn't have much to say about the conversation until a few hours after it seemingly ended, when he tweeted "Just ask Rihanna if she mad?" and followed up with a line about how society was immature. He then deleted his Twitter account altogether, though he rejoined Monday afternoon.

Right ... dumb society, all expecting men not to beat women bloody for looking at their phones without permission. That's just so immature and stuff.

This isn't the first time Brown, who was listed as having 11.5 million followers on the social media network, has done away with his Twitter account. The singer quit Twitter in 2009 and again in November 2011, after ranting about -- you guessed it -- the Rihanna incident.

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"I don't say (expletive) to anybody and everyone feels its cool to attack me. GROWN ADULTS!!!! that (expletive) happened three years ago!" he wrote at the time.